Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274983 | High pressure mercury lamp with particular electrode structure and emission device for a high-pressure mercury lamp | Tomoyoshi Arimoto, Kazuhiro Goto | 2001-08-14 |
| 5973454 | Short arc type metal halide lamp with encapsulated rare earth metal halides to increase color reproducibility | Mitsuo Horikoshi | 1999-10-26 |
| 5957570 | Reflector discharge lamp | Yoshio Okazaki | 1999-09-28 |
| 5773932 | Metal halide lamp with reduced color shadowing | Mitsuo Narita, Yoshio Okazaki | 1998-06-30 |